138901571172

Names of 138901571172

• Cardinal: 138901571172 can be written as One hundred thirty-eight billion, nine hundred one million, five hundred seventy-one thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.38901571172 × 10¹¹

Factors of 138901571172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1207

Divisors of 138901571172

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 113 117 126 156 162 169 182 189 226 234 243 252 273 324 338 339 351 364 378 452 468 486 507 546 567 676 678 702 756 791 819 972 1014 1017 1053 1069 1092 1134 1183 1356 1404 1469 1521 1582 1638 1701 2028 2034 2106 2138 2268 2366 2373 2457 2938 3042 3051 3159 3164 3207 3276 3402 3549 4068 4212 4276 4407 4563 4732 4746 4914 5876 6084 6102 6318 6414 6804 7098 7119 7371 7483 8814 9126 9153 9492 9621 9828 10283 10647 12204 12636 12828 13221 13689 13897 14196 14238 14742 14966 17628 18252 18306 19097 19242 20566 21294 21357 22113 22449 26442 27378 27459 27794 28476 28863 29484 29932 30849 31941 36612 38194 38484 39663 41067 41132 41691 42588 42714 44226 44898 52884 54756 54918 55588 57291 57726 61698 63882 64071 67347 76388 79326 82134 83382 85428 86589 88452 89796 92547 95823 97279 109836 114582 115452 118989 120797 123396 125073 127764 128142 133679 134694 158652 164268 166764 171873 173178 180661 185094 191646 192213 194558 202041 229164 237978 241594 250146 256284 259767 267358 269388 277641 287469 291837 343746 346356 356967 361322 362391 370188 375219 383292 384426 389116 401037 404082 475956 483188 500292 515619 519534 534716 541983 555282 574938 583674 606123 687492 713934 722644 724782 750438 768852 802074 808164 832923 845579 875511 1031238 1039068 1083966 1087173 1110564 1125657 1149876 1167348 1203111 1212246 1264627 1427868 1449564 1500876 1546857 1570361 1604148 1625949 1665846 1691158 1751022 1818369 2062476 2167932 2174346 2251314 2406222 2424492 2498769 2529254 2536737 2626533 3093714 3140722 3251898 3261519 3331692 3376971 3382316 3502044 3609333 3636738 3793881 4348692 4502628 4640571 4711083 4812444 4877847 4997538 5058508 5073474 5253066 6187428 6281444 6503796 6523038 6753942 7218666 7273476 7587762 7610211 7879599 9281142 9422166 9755694 9784557 9995076 10146948 10506132 10827999 10992527 11381643 13046076 13507884 14133249 14437332 14633541 15175524 15220422 15759198 18562284 18844332 19511388 19569114 20414693 21655998 21985054 22763286 22830633 23638797 28266498 29267082 29353671 30440844 31518396 32483997 32977581 34144929 39138228 40829386 42399747 43311996 43900623 43970108 45526572 45661266 47277594 56532996 58534164 58707342 61244079 64967994 65955162 68289858 68491899 81658772 84799494 87801246 91322532 94555188 98932743 102434787 117414684 122488158 127199241 129935988 131910324 136579716 136983798 142902851 169598988 175602492 183732237 197865486 204869574 205475697 244976316 254398482 273967596 285805702 296798229 307304361 367464474 381597723 395730972 409739148 410951394 428708553 508796964 551196711 571611404 593596458 614608722 734928948 763195446 821902788 857417106 890394687 1102393422 1187192916 1229217444 1286125659 1526390892 1653590133 1714834212 1780789374 2204786844 2572251318 2671184061 3307180266 3561578748 3858376977 4960770399 5144502636 5342368122 6614360532 7716753954 9921540798 10684736244 11575130931 15433507908 19843081596 23150261862 34725392793 46300523724 69450785586 138901571172
• Sum of all divisors σ(n): 455018578560
• Sum of proper divisors (its aliquot sum) s(n): 316117007388
• 138901571172 is an abundant number, because the sum of its proper divisors (316117007388) is greater than itself. Its abundance is 177215436216

Bases of 138901571172

• Binary: 10000001010111001011011100011001100100₂
• Hexadecimal: 0x20572DC664
• Base-36: 1RT6EQ90

Squares and roots of 138901571172

• 138901571172 squared (138901571172²) is 19293646474050181453584
• 138901571172 cubed (138901571172³) is 2679917808882688130274512390480448
• The square root of 138901571172 is 372695.0109298487
• The cube root of 138901571172 is 5178.8784656683

Scales and comparisons

• 138,901,571,172 seconds is equal to 4,416 years, 33 weeks, 2 days, 1 hour, 46 minutes, 12 seconds.
• To count from 1 to 138,901,571,172 would take you about eight thousand, eight hundred thirty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138901571172 cubic inches would be around 431.6 feet tall.

Recreational maths with 138901571172

• 138901571172 backwards is 271175109831
• The number of decimal digits it has is: 12
• The sum of 138901571172's digits is 45
• More coming soon!